198768934 has 16 divisors (see below), whose sum is σ = 366958368. Its totient is φ = 78633792.

The previous prime is 198768917. The next prime is 198768949. The reversal of 198768934 is 439867891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545887 + ... + 546250.

It is an arithmetic number, because the mean of its divisors is an integer number (22934898).

Almost surely, 2^198768934 is an apocalyptic number.

198768934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198768934 is a deficient number, since it is larger than the sum of its proper divisors (168189434).

198768934 is a wasteful number, since it uses less digits than its factorization.

198768934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092159.

The product of its digits is 2612736, while the sum is 55.

The square root of 198768934 is about 14098.5436836575. The cubic root of 198768934 is about 583.6011910168.

The spelling of 198768934 in words is "one hundred ninety-eight million, seven hundred sixty-eight thousand, nine hundred thirty-four".